<template>
    <div class="app-container">
      <el-form label-width="120px">
        <el-form-item label="信息描述">
          <el-tag type="info">excel模版说明</el-tag>
          <el-tag>
            <i class="el-icon-download"/>
            <a :href="'/static/01.xlsx'">点击下载模版</a>
          </el-tag>
  
        </el-form-item>
  
        <el-form-item label="选择Excel">
          <el-upload
            ref="upload"
            :auto-upload="false"
            :on-success="fileUploadSuccess"
            :on-error="fileUploadError"
            :disabled="importBtnDisabled"
            :limit="1"
            :action="BASE_API+'/eduservice/subject/addSubject'"
            name="file"
            accept="application/vnd.ms-excel">
            <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
            <el-button
              :loading="loading"
              style="margin-left: 10px;"
              size="small"
              type="success"
              @click="submitUpload">上传到服务器</el-button>
          </el-upload>
        </el-form-item>
      </el-form>
    </div>
  </template>
  <script>
  export default {
      data(){
        return{
            BASE_API: process.env.BASE_API, // 接口API地址
            // OSS_PATH: process.env.OSS_PATH, // 阿里云OSS地址
            // fileUploadBtnText: '上传到服务器',
            importBtnDisabled: false, // 按钮是否禁用,
            loading: false
        }
      },
      created(){

      },
      methods:{
        // 点击按钮上传文件到接口里面
        submitUpload(){
            this.importBtnDisabled = true
            this.loading = true
            // js:document.getElementById("upload").submit()
            this.$refs.upload.submit()
        },
        // 上传成功
        fileUploadSuccess(response){
            // 提示信息
            this.loading = false
            this.$message({
                type: 'success',
                message: '添加视频分类成功'
            })
            // 跳转视频分类列表
            this.$router.push({path:'/subject/list'})
        },
        // 上传失败
        fileUploadError(){
            this.loading = false
            this.$message({
                type: 'error',
                message: '添加视频分类失败'
            })
        }
      }
  }
  </script>
  